I like Vinyasa, but am looking to expand my practice. Are ther any books of DVDs that are great?

I am very interested in trying out yoga, I was wondering if there are any good DVDs or web-sites out there that would be suitable for me to start off with??Any other tips would be greatly appreciated .thanks

I’m interested in Yoga and would like to buy some DVDs so I can start doing it at home — can anyone who’s experienced with Yoga give me any tips for buying the right DVD?